Measurements:  sgpsirsC1.b1:  Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
 Shortwave direct normal irradiance, pyrheliometer, minima(short_direct_normal_min)
 Downwelling unshaded pyranometer voltage(down_short_hemisp)
 Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyrgeometer, Minima(down_short_diffuse_hemisp_min)
 Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Minima(down_short_hemisp_min)
 Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
 Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
 Downwelling Shortwave Diffuse Hemispheric Irradiance, Pyranometer, Standard
Deviation(down_short_diffuse_hemisp_std)  Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyrgeometer, Standard
Deviation(down_short_hemisp_std)  Downwelling shortwave hemispheric irradiance, pyranometer, maxima(down_short_hemisp_max)
 Downwelling shortwave diffuse hemispheric irradiance, pyranometer, maxima(down_short_diffuse_hemisp_max)
 Shortwave direct normal irradiance, pyrheliometer(short_direct_normal)
more
sgpsirs20sC1.a0:  Instantaneous direct normal shortwave irradiance, pyrheliometer thermopile
voltage(inst_direct_normal)  Instantaneous uncorrected downwelling shortwave diffuse, shaded pyranometer
thermopile voltage(inst_diffuse)  Instantaneous Downwelling Hemispheric Shortwave, Pyranometer Thermopile Voltage(inst_global)
more
